CN214749569U - Mechanical impurity precipitation device for evaluating impurity condition of lubricating oil machinery - Google Patents
Mechanical impurity precipitation device for evaluating impurity condition of lubricating oil machinery Download PDFInfo
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- CN214749569U CN214749569U CN202120331920.7U CN202120331920U CN214749569U CN 214749569 U CN214749569 U CN 214749569U CN 202120331920 U CN202120331920 U CN 202120331920U CN 214749569 U CN214749569 U CN 214749569U
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Abstract
The utility model provides a mechanical impurities deposits device for evaluation of lubricating oil machinery impurity situation, includes a centrifugation disc base, centrifugation disc base on be provided with a plurality of centrifugation metal sleeves that are used for setting up lubricating oil sample cell slope along circumference interval, still including being used for with the lubricating oil sample cell of centrifugation metal sleeve cooperation installation, be connected with centrifugation disc base transmission and be equipped with inverter motor, inverter motor is by controlling means control work. The method is simple to operate and high in detection efficiency, and can be used for simultaneously detecting a plurality of samples at one time and detecting oil products in batches. The equipment is light and convenient and is easy to carry, and can be used for laboratory detection or production field detection.
Description
Technical Field
The utility model belongs to the technical field of lubricating oil machinery impurity situation aassessment technique and specifically relates to a lubricating oil machinery impurity is mechanical impurities deposits device for evaluation of impurity situation.
Background
The mechanical impurities in the lubricating oil are organic metal salts which are difficult to dissolve in a solvent and are brought by additives during oil processing, or dust, silt and iron filings which fall into the lubricating oil from the outside during storage, transportation and use. These substances not only affect the performance of the lubricating oil, such as the oil delivery line, the nozzle tip, the oil filter, etc., but also increase the corrosion of mechanical equipment, destroy the oil film, increase the abrasion and carbon deposition, and even possibly damage the mechanical equipment when the mechanical impurities contained in the lubricating oil reach a certain amount, so that the content of the mechanical impurities is a key index for measuring the quality of the lubricating oil. The detection of the content of the mechanical impurities in the lubricating oil is enhanced, and the evaluation of the condition of the mechanical impurities in the lubricating oil has very important practical significance for maintaining the normal production and use of mechanical equipment.
In the prior art, in the method for mechanically measuring the mechanical impurities in the lubricating oil, the gravimetric method is used for measuring the content of the mechanical impurities which are insoluble in an ethanol-benzene mixed solution in the lubricating oil according to the GB/T511-2010 petroleum, petroleum products and additive mechanical impurity measuring method standard, the mixed solution is heated and a measuring tool is washed for many times, finally, the filter paper is fully dried, the mass of the mechanical impurities left on the dried filter paper is obtained, the proportion of the mechanical impurities in the lubricating oil is calculated, the condition of the mechanical impurities in the lubricating oil is represented by mass fraction, and in addition, the harmful particle identification method and the microscopy are also used for detecting the mechanical impurities in the lubricating oil.
Among the above-mentioned several detection methods, the application of gravimetric method is comparatively common, but the gravimetric method is because complex operation, and detection cost is higher, and dry filter paper needs to be put for a longer time, causes test efficiency lower, has increased the detection and has evaded the cost.
Disclosure of Invention
The utility model aims at providing a mechanical impurities deposits device is used in evaluation of lubricating oil machinery impurity situation.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a mechanical impurities deposits device for evaluation of lubricating oil machinery impurity situation, includes a centrifugation disc base, centrifugation disc base on be provided with a plurality of centrifugation metal sleeves that are used for setting up lubricating oil sample cell slope along circumference interval, still including being used for with the lubricating oil sample cell of centrifugation metal sleeve cooperation installation, be connected with centrifugation disc base transmission and be equipped with inverter motor, inverter motor is by controlling means control work.
Furthermore, the centrifugal disk base comprises a circular bottom, and a flange used for limiting the radial position of the centrifugal metal sleeve on the centrifugal disk base is arranged on the periphery of the circular bottom; the centrifugal metal sleeve is a stepped fixed sleeve, two steps are axially arranged on the outer surface of the stepped fixed sleeve, a step close to one side of the minimum outer diameter section in the two steps on the outer surface is matched with a flange of the centrifugal disc base, a step close to one side of the maximum outer diameter section is matched with a wedge block arranged on the centrifugal disc base, and the wedge block enables the centrifugal metal sleeve to incline so as to meet the requirement that an angle for enabling the lubricating oil sample tube to incline is formed between the centrifugal metal sleeve and the circular bottom of the centrifugal disc base; the inner surface of the stepped fixed sleeve is provided with a conical step, the lubricating oil sample tube is formed by sequentially connecting a large-diameter cylindrical section, a transitional conical section and a small-diameter cylindrical section, the transitional conical section of the lubricating oil sample tube is matched and installed with the conical step on the inner surface of the stepped fixed sleeve, and the small-diameter cylindrical section of the lubricating oil sample tube extends out of the stepped fixed sleeve.
Furthermore, a lubricating oil sample scale mark and a sample mixed liquid scale mark are arranged on the large-diameter cylindrical section of the lubricating oil sample tube, the lubricating oil sample scale mark is positioned on one side close to the transition conical section, and a plurality of mechanical impurity scale marks are uniformly arranged on the small-diameter cylindrical section of the lubricating oil sample tube along the axial direction.
Preferably, the diameter of the small-diameter cylindrical section is 1/8-1/7 of the diameter of the large-diameter cylindrical section.
As a specific implementation mode, the centrifugal metal sleeve is fixedly connected with the centrifugal disc base through a U-shaped bolt.
Further, still include a box, inverter motor set up in the box, inverter motor's output shaft passes through shaft coupling and the back shaft fixed connection who sets up on centrifugal disc base, is equipped with the opening at the top of box corresponding centrifugal disc base, articulates in one side of box and is equipped with the visor that covers centrifugal disc base 4.
Has the advantages that:
1. the method comprises the following steps of pouring a fixed amount of lubricating oil and an organic reagent into a scale mark position corresponding to a lubricating oil sample tube by adopting a lubricating oil sample tube with a special structure, uniformly mixing, and then using rotation of an adjusting motor at a preset rotating speed and preset time to enable mechanical impurity particles with different densities and sizes to sink to a small-diameter cylindrical section of the lubricating oil sample tube through a centrifugal separation technology, so that the scale value of the mechanical impurity can be visually read, and the mechanical impurity condition of the lubricating oil of the equipment can be evaluated by combining a mechanical impurity condition evaluation table formulated according to the actual lubricating working condition of enterprise equipment, so that the operation is simple, the detection efficiency is high, a plurality of samples can be simultaneously detected at one time, and the oil product can be detected in batches;
2. the equipment is light and convenient and is easy to carry, and can be used for laboratory detection or production field detection.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the centrifugal disk base (including the centrifugal metal sleeve) according to the present invention.
Fig. 3 is a sectional view a-a in fig. 2.
Fig. 4 is a side view of fig. 1 (with the side panel of the respective side of the housing removed).
FIG. 5 is a schematic view of a structure of a lubricant sample tube.
The labels in the figure are: 1. the device comprises a box body, 2, a protective cover, 3, an operation control screen, 4, a centrifugal disc base, 401, a circular bottom, 402, a flange, 5, a centrifugal metal sleeve, 6, a U-shaped bolt, 7, a wedge-shaped block, 8, a coupler, 9, a lubricating oil sample tube, 901, a large-diameter cylindrical section, 902, a transition conical section, 903, a small-diameter cylindrical section, 904, a sample mixed liquid scale mark, 905, a lubricating oil sample scale mark, 906, a mechanical impurity scale mark, 10 and a variable frequency motor.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples, but not intended to limit the invention in any way.
Referring to the attached drawings, the mechanical impurity precipitation device for evaluating the mechanical impurity condition of the lubricating oil comprises a centrifugal disc base 4, wherein a plurality of centrifugal metal sleeves 5 used for obliquely arranging lubricating oil sample tubes 9 are arranged on the centrifugal disc base 4 at intervals along the circumferential direction, the lubricating oil sample tubes 9 matched with the centrifugal metal sleeves 5 are further included, variable frequency motors 10 are arranged in transmission connection with the centrifugal disc base 4 and controlled by a control device to work.
In a specific setting mode, the centrifugal disc type vibration motor further comprises a box body 1, the variable frequency motor 10 is arranged in the box body 1, an output shaft of the variable frequency motor 10 is fixedly connected with a supporting shaft arranged on the centrifugal disc base 4 through a coupler 8, and the variable frequency motor drives the centrifugal disc base 4 to rotate for a preset time at a certain rotating speed under the control of the control device.
An opening is arranged at the top end of the box body 1 corresponding to the centrifugal disc base 4, and a protective cover 2 for covering the centrifugal disc base 4 is hinged to one side of the box body 1.
In this embodiment, the centrifugal disk base 4 comprises a circular bottom 401, and a flange 402 for limiting the radial position of the centrifugal metal sleeve 5 on the centrifugal disk base 4 is arranged on the periphery of the circular bottom 401; the centrifugal metal sleeve 5 is a stepped fixed sleeve, two steps are axially arranged on the outer surface of the stepped fixed sleeve, a step close to one side of the minimum outer diameter section in the two steps on the outer surface is matched with a flange 402 on the centrifugal disc base, and a step close to one side of the maximum outer diameter section is matched with a wedge block 7 arranged on the centrifugal disc base. The wedge block 7 tilts the centrifuge metal casing 5 to meet the requirement of presenting the desired angle between the centrifuge metal casing 5 and the circular bottom 401 of the centrifuge disk base 4, thereby tilting the lubricant sample tube 9 by the desired angle, preferably 15 ° between the lubricant sample tube 9 and the circular bottom 401 of the centrifuge disk base 4.
The inner surface of the stepped fixed sleeve is provided with a conical step, the lubricating oil sample tube 9 is formed by sequentially connecting a large-diameter cylindrical section 901, a transitional conical section 902 and a small-diameter cylindrical section 903, the transitional conical section 902 of the lubricating oil sample tube 9 is matched and installed with the conical step on the inner surface of the stepped fixed sleeve, and the small-diameter cylindrical section 903 of the lubricating oil sample tube 9 extends out of the stepped fixed sleeve.
The large-diameter cylindrical section 901 of the lubricating oil sample tube 9 is provided with a lubricating oil sample scale mark 905 and a sample mixed liquid scale mark 904, the lubricating oil sample scale mark 905 is positioned on one side close to the transition conical section 902, and the small-diameter cylindrical section 903 of the lubricating oil sample tube 9 is uniformly provided with a plurality of mechanical impurity scale marks 906 along the axial direction.
Preferably, the diameter of the small-diameter cylindrical section 903 is 1/8-1/7 of the diameter of the large-diameter cylindrical section 901, and the length of the small-diameter cylindrical section 903 is determined as required, and is preferably no less than 1/2 of the length of the large-diameter cylindrical section 901.
In this embodiment, the centrifugal metal sleeves 5 are fixedly connected with the centrifugal disk base 4 through U-shaped bolts 6, and each centrifugal metal sleeve 5 can be fixedly connected with the centrifugal disk base 4 through two U-shaped bolts. The centrifugal metal sleeve 5 can also be fixed to the centrifugal disc base 4 by other transverse holders.
In the above embodiment, the centrifugal metal sleeve 5 is a metal stepped fixed sleeve, and the lubricant sample tube 9 is a glass tube.
An operation control screen 3 is arranged right in front of the box body 1, and the operation control screen 3 is electrically connected with a control device. The protective cover 2 is connected with the box body 1 through a rotary hinge.
In this embodiment, the number of the centrifugal metal sleeves 5 is 4 along the circumference of the centrifugal disk base 4. In practical application, the number of the centrifugal metal sleeves 5 can be set according to the number of the lubricating oil samples to be detected.
In the present embodiment, the inverter motor 10 is a brushless inverter motor. The control device electrically connected to the operation control panel 3 is provided with a PLC control circuit capable of setting a rotation speed and time.
The utility model discloses during the use, will wait to detect the lubricating oil sample who assesses and pour into the position of lubricating oil sample scale mark 905 in the lubricating oil sample pipe 9 of glass system earlier, then pour into organic solvent and mix the position of liquid scale mark 904 to the sample, then cover the sealed rubber buffer and shake even back, insert centrifugal metal sleeve 5 with lubricating oil sample pipe 9 in, centrifugal metal sleeve 5 is installed on centrifugal disc base 4 through horizontal fixer (U type bolt in this embodiment), cover visor 2, set up centrifugal disc base 4 through operation control screen 3 and carry out centrifugation pivoted rotational speed and time. The variable frequency motor 10 inside box 1 transmits power to the centrifugal disc base 4 through the shaft coupling, drives the centrifugal disc base 4 to rotate at a high speed, and because the tail part of the lubricating oil sample tube 9 is a small-diameter cylindrical section 903 with a narrow structure, mechanical impurities in the lubricating oil sample are transversely centrifugally precipitated to the small-diameter cylindrical section 903 of the lubricating oil sample tube 9, and the mechanical impurity condition of the lubricating oil can be obtained by comparing a corresponding mechanical impurity condition evaluation table through reading out scale values corresponding to mechanical impurity scale marks 906.
The scale values corresponding to the mechanical impurity scale marks 906 are 1,2,3,4,5,6, … … N from the bottom of the small-diameter cylindrical section 903 upwards, and N is a natural number. In this embodiment, N is 29, the number of the scale marks or the size of the maximum scale value can be determined according to actual needs, and the more the scale marks are within the same length, the more accurate the measurement result is.
The mechanical impurity condition evaluation table can be listed according to the type of the detected lubricating oil and the requirement of equipment on the lubricating oil.
The impurity condition value of the lubricating oil machinery of the equipment is generally classified into qualified, warning and scrapped, evaluation is carried out according to the inspection result, and corresponding measures such as filtration and oil change are determined to be correspondingly adopted according to the evaluation result, so that the scientific oil consumption and the safe production of enterprises are guaranteed.
The table is for adopting below the utility model discloses carry out the used mechanical impurities situation aassessment table of mechanical impurities aassessment to the used lubricating oil of certain equipment that awaits measuring.
By adopting the utility model, after the lubricating oil used by the device is centrifugally treated under the condition of the set parameter value of the device specified in the table,
hydraulic oil: the scale value of the mechanical impurities is 7, the scale value is 5-8 according to the table above, warning is given, and the mechanical impurities can be filtered and then used continuously;
gear oil: the scale of the mechanical impurities is 4, and the mechanical impurities are qualified within the range of less than 5 by referring to the table above and can be continuously used with confidence;
turbine oil: the scale value of mechanical impurities is 9, the scale value is referred to the table, and in the range of more than 8, measures of replacing lubricating oil are adopted for scrapping;
compressor oil: the mechanical impurity scale value 12 is within the range of 10-20 with reference to the above table, and is used as a warning after being filtered.
Compared with the prior art, mechanical impurity survey technique in the lubricating oil, the beneficial effects of the utility model are that:
1. the lubricating oil sample tube with a special structure is adopted, lubricating oil and an organic reagent with fixed quantity are poured into the lubricating oil sample tube, after the lubricating oil sample tube and the organic reagent are uniformly mixed, the lubricating oil and the organic reagent can be rapidly precipitated through centrifugation, then the mechanical impurity scale value can be visually read out through a mechanical impurity scale mark 906, and the mechanical impurity condition evaluation table is combined, so that the mechanical impurity condition of the lubricating oil of the equipment can be rapidly evaluated, the basis is provided for scientific oil utilization in production, and the scientific oil utilization and safe production of enterprises are guaranteed.
2. The method is simple to operate and high in detection efficiency, and can be used for simultaneously detecting a plurality of samples at a time and detecting the lubricating oil samples in batches. In this embodiment, can detect 4 lubricating oil samples simultaneously, in practical application, can set up the number of centrifugation metal sleeves as required to can detect the lubricating oil sample of corresponding number or kind
3. The equipment is light and convenient and is easy to carry, and can be used for laboratory detection or production field detection.
The details of which are not described herein, are prior art.
The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and it should be understood by those of ordinary skill in the art that the embodiments of the present invention can be modified or replaced with equivalents with reference to the above embodiments, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are all within the scope of the claims of the present application.
Claims (6)
1. A mechanical impurity precipitation device for evaluating the mechanical impurity condition of lubricating oil is characterized in that: the device comprises a centrifugal disc base (4), wherein a plurality of centrifugal metal sleeves (5) used for obliquely arranging lubricating oil sample tubes are arranged on the centrifugal disc base (4) along the circumferential direction at intervals, the lubricating oil sample tubes (9) are matched with the centrifugal metal sleeves (5) and are arranged, a variable frequency motor (10) is arranged in a transmission connection with the centrifugal disc base, and the variable frequency motor is controlled by a control device to work.
2. The mechanical impurity precipitation device for evaluating the impurity condition of lubricating oil machinery according to claim 1, wherein: the centrifugal disc base (4) comprises a circular bottom (401), and a flange (402) used for limiting the radial position of the centrifugal metal sleeve (5) on the centrifugal disc base is arranged on the periphery of the circular bottom (401); the centrifugal metal sleeve (5) is a stepped fixed sleeve, two steps are axially arranged on the outer surface of the stepped fixed sleeve, the step close to one side of the minimum outer diameter section in the two steps on the outer surface is matched and installed with a flange (402) of the centrifugal disc base, the step close to one side of the maximum outer diameter section is matched and installed with a wedge block (7) arranged on the centrifugal disc base, and the wedge block (7) enables the centrifugal metal sleeve (5) to incline so as to meet the requirement that an angle required for enabling a lubricating oil sample tube to incline is formed between the centrifugal metal sleeve (5) and the circular bottom (401) of the centrifugal disc base (4); the inner surface of the stepped fixed sleeve is provided with a conical step, the lubricating oil sample tube (9) is formed by sequentially connecting a large-diameter cylindrical section (901), a transition conical section (902) and a small-diameter cylindrical section (903), the transition conical section (902) of the lubricating oil sample tube (9) is matched with the conical step on the inner surface of the stepped fixed sleeve, and the small-diameter cylindrical section (903) of the lubricating oil sample tube (9) extends out of the stepped fixed sleeve.
3. The mechanical impurity precipitation device for evaluating the impurity condition of lubricating oil machinery according to claim 1, wherein: a lubricating oil sample scale mark (905) and a sample mixed liquid scale mark (904) are arranged on the large-diameter cylindrical section of the lubricating oil sample tube, the lubricating oil sample scale mark (905) is positioned on one side close to the transition conical section (902), and a plurality of mechanical impurity scale marks (906) are uniformly arranged on the small-diameter cylindrical section (903) of the lubricating oil sample tube (9) along the axial direction.
4. The mechanical impurity precipitation device for evaluating the impurity condition of lubricating oil machinery according to claim 2, wherein: the diameter of the small-diameter cylindrical section (903) is 1/8-1/7 of the diameter of the large-diameter cylindrical section (901).
5. The mechanical impurity precipitation device for evaluating the impurity condition of lubricating oil machinery according to claim 1, wherein: the centrifugal metal sleeve is fixedly connected with the centrifugal disc base (4) through a U-shaped bolt (6).
6. The mechanical impurity precipitation device for evaluating the impurity condition of lubricating oil machinery according to claim 1, wherein: still include a box (1), inverter motor (10) set up in the box, the output shaft of inverter motor (10) pass through shaft coupling (8) and the back shaft fixed connection of setting on centrifugal disc base (4), correspond centrifugal disc base (4) and be equipped with the opening on the top of box (1), it is equipped with visor (2) that cover centrifugal disc base (4) to articulate in one side of box (1).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233222A (en) * | 2023-11-14 | 2023-12-15 | 技源集团股份有限公司 | Impurity content detecting system of HMB-Ca |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233222A (en) * | 2023-11-14 | 2023-12-15 | 技源集团股份有限公司 | Impurity content detecting system of HMB-Ca |
| CN117233222B (en) * | 2023-11-14 | 2024-01-26 | 技源集团股份有限公司 | Impurity content detecting system of HMB-Ca |
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